Dwyer Instruments RTI2 Series User manual

DWYER INSTRUMENTS, INC. | www.dwyer-inst.com326
Flowmeters,
Totalizers FLOW
RATE/TOTAL INDICATOR
Loop Powered,Converts Pulse Frequency to 4 to 20 mA,High/Low FlowAlarm
3 [76.19]
2-5/32
[54.92]
3-7/8 [98.57]
4-15/16 [125.44]
5
[126.92]
3-5/8
[92.08]
3-15/16
[100.02]
The SERIES RTI2 Rate & Total Indicator is an indicator/transmitter that takes the pulse
output signal from compatible owmeters, displays ow rate and total, and provides
output signals. It is compatible with the Series EFS2, IEFS, PDWS, and FLMG.
FEATURES/BENEFITS
• Can be mounted on a wall or mounted on the owmeter for added exibility
• Accessory mounting kits make it easy to change the mounting orientation
• High environmental protection with semi-exible urethane potted electrical
components
• Provides a pulse, 4 to 20 mA and dual-relay output
APPLICATIONS
• Water treatment
• Water utilities
• Industrial chemical handling
The SERIES BAT Analog Transmitters is a 4 to 20 mA transmitter for use with the
Series EFS2, IEFS, PDWS, PFT and FLMG.
FEATURES/BENEFITS
• Easy to set up and can be either wall or meter mounted
• Takes a pulse frequency output from the compatible ow meters and converts it into
a continuous 4 to 20 mA analog output signal
• The frequency for the owmeter output signal can be adjusted using four rotary
switches on the back of the transmitter and a microcontroller automatically scales all
other values accordingly
• The microcontroller averages inputs for more stable reading outputs and is adjustable
from 2 to 16 seconds
• Loop powered, 2 wire connection
• High environmental protection with semi-exible urethane potted electrical
components
APPLICATIONS
• Telemetry applications • Distributed control systems
• Data logging • Chart recording
SPECIFICATIONS
Input: 5 V pulse or contact closure; 1 to 15 pulses/s.
Temperature Limits: Process: -32 to 131°F (0 to 55°C); Storage: -40 to 158°F (-40
to 75°C).
Output: Current sinking square wave
pulse: Scaled pulse output (0.1 s duration 6.1 Hz max. or high alarm
output or low alarm output), sensor pass-through pulse output (un-scaled); Pulse
output range: 0.1 to 9999999.9 units/pulse; Analog: 4 to 20 mA, 24 to 30 VDC.
Power Requirements: 7 to 30 VDC @ 4 mA (4 to 20 mA when loop-powered).
Display: Rate: 8 digits, 1/2  H LCD; Total: 8 digits, 5/16  character height.
K-Factor Range: 0.001 to 999999.999.
Flow Alarm Output Range: 0.1 to 99999.99.
Enclosure Material Housing: Die-cast powder-coated aluminum; Faceplate
#HP92W Lexan.
Enclosure Rating: NEMA 4X (IP67).
Electrical Connection: Terminal blocks, #22 AWG, 3 conductor 18  (5.5 m) cable
(2000  max.).
Mounting: See model chart.
Weight: 3 lb (1361 g).
SPECIFICATIONS
Input: Open-collector solid state sensor. Averaging: 2, 4, 8, 16 s (DIP switch
selectable); Pulse Frequency: Min. 10 Hz @ 20 mA; Max. 999.9 Hz (rotary DIP
switch selectable).
Temperature Limits: 32 to 130°F (0 to 55°C).
Output: 4 to 20 mA.
Power Requirements: 24 to 36 VDC @ 4 to 20 mA when loop powered.
Response Time: 2 to 60 s; 90% FS (depends on input averaging).
Loop Resistance: 0 to 1300 Ω max.u
Enclosure Material: Die-cast powder-coated aluminum.
Enclosure Rating: NEMA 4X (IP66).
Electrical Connections: Terminal block.
Mounting: See model chart.
Weight: 3 lb (1361 g).
BLIND ANALOG TRANSMITTER
Converts Pulse Frequency to 4 to 20 mA,Loop Powered
BAT-M shown installed on Series
EFS2 meter. Meter sold separately.
BAT-W
uLoop Resistance: See Bulletin F-BAT
SERIES RTI2
SERIES BAT
®
4-21/64 [110]
4-7/64
[104.10]
4-7/64
[104.10]
4-49/64
[121.20]
4-23/64
[110.50]
3-3/8
[85.60]
2-1/2
[63.50]
ACCESSORIES
Model Description
MMK
WMK
Meter mounting kit
Wall mounting kit
MODEL CHART
Model Description
BAT-M
BAT-W
Blind analog transmitter, meter-mounted*
Blind analog transmitter, wall-mounted
*Compatible Series: EFS2, IEFS, PDWS, TBS and FLMG.
MODEL CHART
Model Description
RTI2-W
RTI2-M
RTI2-P
Wall-mounted
Meter-mounted
Panel-mounted
ACCESSORIES
Model Description
MMK2
WMK2
Meter mounting kit
Wall mounting kit

Optional Protective Cover Closed
PROUDLY
MADE
IN THE
USA
RTI2-Series
RATE/TOTAL INDICATOR
INSTRUCTIONS
RTI2-SERIES RATE/TOTAL INDICATOR INSTRUCTIONS

Page 2
RTI2 INSTRUCTIONS
Dwyer Instruments, Inc. • 219.879.8868 • www.dwyer-inst.com
TABLE OF CONTENTS
General Information
General Information, Features ......................................................................................................................... Page 3
Specications, Pulse Output Functions ........................................................................................................... Page 4
Installation
Dimensions, Wall Mount, Meter Mount, Panel Mount.................................................................................... Page 5
Connection Diagrams
RTI2-139/115Vac Option, RTI2 3-wire Mechanical/Dual Scaled Pulse Output........................................... Page 6
RTI2/EX Magmeter............................................................................................................................................ Page 7
RTI2-139/EX Magmeter.................................................................................................................................... Page 7
Settings
K-Factor, Changing Flow Indicator Settings..................................................................................................... Page 8
RTI2 Secondary Menu Functions..................................................................................................................... Page 10
Troubleshooting
Problems, Probable Causes, Things to Try ...................................................................................................... Page 11
TABLES AND DIAGRAMS
Features............................................................................................................................................................. Page 3
Specications, Pulse Output Function Table ................................................................................................... Page 4
Dimensions, Meter Mount, Panel Mount......................................................................................................... Page 5
Connections: RTI2-139/115Vac Option .......................................................................................................... Page 6
Connections: RTI2 3-Wire Mechanical/Dual Scaled Pulse Output................................................................ Page 6
Connections: RTI2/EX Magmeter..................................................................................................................... Page 7
Connections: RTI2-139/115Vac Option .......................................................................................................... Page 7
K-Factor, Flow Indicator Menus........................................................................................................................ Page 8
Troubleshooting................................................................................................................................................. Page 11

Page 3
RTI2 INSTRUCTIONS
Dwyer Instruments, Inc. • 219.879.8868 • www.dwyer-inst.com
TABLES AND DIAGRAMS
GENERAL INFORMATION
*Internal power supply is available for the wall mount option only.
Features
The RTI2 ow computer is a microcontroller-based indicator/
transmitter that interfaces with pulse output ow sensors to
compute and display ow rate, ow total, and also generate
output signals representing ow. The RTI2 has two scaled
pulse outputs. Galvanic isolation is provided for most pulse
outputs (see table.)
The RTI2 is a “two-wire” or “loop powered” device, meaning
that it is powered by the 4-20 mA loop circuit itself. An optional
internal AC power supply* is available for the RTI2 with dual
24 and 12VDC outputs to power both the loop and sensors
requiring more power than the loop can supply.
Pulse and 4-20mA analog outputs can be used to signal
external devices, e.g. certain metering pumps and water
treatment controls. Alternatively, one or more pulse outputs
can be congured as alarm outputs. These ow computers
can be password protected to prevent resetting the total or
changing conguration settings.
The RTI2 meter is available in wall and meter mount
congurations. The RTI2 can also be panel mounted. Some
congurations can be converted from wall to meter or meter
to wall after installation if needed. Consult factory for details.
Lower Housing
Setup Keys**
Electronics Module
Wall-Mount Brackets
Strain Relief
Display
** Includes password protection for tamper prevention when needed
Protective Cover (Optional)

Page 4
RTI2 INSTRUCTIONS
Dwyer Instruments, Inc. • 219.879.8868 • www.dwyer-inst.com
GENERAL INFORMATION
PULSE OUTPUT 1 (SCALED)
TYPE Current sinking
MAX. VOLTAGE 30 Vdc
MAX. CURRENT 100 mA
MAX. FREQUENCY 6.5 Hz
PULSE WIDTH 100 ms
ISOLATION 300 V
CONFIGURABLE AS ALARM YES (High or Low)
PULSE OUTPUT 2 (SCALED) (See Note 1)
TYPE Current sinking
MAX. VOLTAGE 30 Vdc
MAX. CURRENT 10 mA
MAX. FREQUENCY 6.5 Hz
PULSE WIDTH 100 ms
ISOLATION 300 V
CONFIGURABLE AS ALARM YES (High or Low)
Pulse Output Function Table
NOTE 1: With 2000 ohm or lower pull-up resistance.
* Specications subject to change • Please consult our website for current data (www.dwyer-inst.com).
1 Scaled output pulses have a xed width of 100ms. Maximum pulses per second is 6.5Hz
2 For pulse frequencies <1 Hz, increase setting in SET F menu to 3 or higher.
Power 7-30Vdc, 4mA (4-20 mA when loop-powered)
Display Rate 5-digit autorange
Total 8-digit
Units Rate Units
Gallons/Second/Minute/Hour/Day, Liter/Second/Minute/Hour/Day, Cubic Feet/Second/Minute/Hour/Day, Cubic Meters/
Second/Minute/Hour/Day, Miner’s Inch, Mega Liters/Day, Million Gallons/Day, Fluid Oz/Second/Minute/Hour/Day, Barrels (42
gallon)/Second/Minute/Hour/Day
Total Units Gallon, Gallon x 1000, Liters, Mega Liter, Cubic Meter, Acre Feet, Cubic Feet,
Cubic Feet x 1000, Million Gallon, Miner’s Inch Day, Acre Inch, Fluid Ounce, Barrels (42 gallon)
Outputs Pulse Output 1 Scaled pulse output, high alarm output or low alarm output. Optoisolated.1
Pulse Output 2 Scaled pulse output, high alarm output or low alarm output.1
Loop Power Output 4-20mA Loop
Set P Range 0.1 - 99999.9 units/pulse
Input 5V pulse or contact closure
Input Range 0.752 - 2000Hz
K-Factor Range .001 - 999999.999
Flow Alarm Output Range 0.1 - 99999.9
Operating Temperature 0˚ to 55˚ C (-32˚ to 131˚ F)
Non-Operating Temperature -40˚ to 75˚ C (-40˚ to 158˚ F)
Environmental NEMA 4X, IP67
Regulatory Mark
Specications*

Page 5
RTI2 INSTRUCTIONS
Dwyer Instruments, Inc. • 219.879.8868 • www.dwyer-inst.com
Panel Mount. Using the “Panel Cutout” drawing as a
guide, cut a hole in the panel. Place the RTI2 indicator on
the panel and mark the holes, drill, and mount with the
supplied screws and washers.
Connections. To connect the ow computer to a ow
sensor or an external device such as a chemical metering
pump, follow the Standard Connections diagrams on the
following pages.
INSTALLATION
3.374
3.37
(85.6)
Dimensions are in Inches (Millimeters)
Wall Mount. To mount an RTI2 indicator to the wall, hold the
unit in the desired position, mark the holes in the mounting
feet, drill and mount with screws. A meter-mounted indicator
can be converted to a wall mount using an adapter mounting
kit. Contact distributor for information.
Meter Mount. If the RTI2 indicator was ordered as a meter
mount model, the housing is already mounted directly to the
ow sensor and needs no further installation.
An RTI2 module can be converted from a wall-mount to a
meter-mount using the mounting kit (contact distributor)
that includes a lower housing and associated hardware and
installs as follows:
1) Remove the strain relief through which the ow sensor
cable runs.
2) Cut the cable to about 6” in length. Carefully strip the
cable jacket to expose the three colored wires (red, white,
and black) inside.
3) Route the wires through the threaded connector pre-
installed in the bottom of the housing.
4) Start the threaded connector into the female thread on
the top of the ow sensor. Be sure to match the
oblong shape on the bottom of the housing to the
depression on the top of the ow sensor.
5) Using an ordinary screwdriver inserted in one side of the
slot (see drawing), tighten the screw as much as possible.
6) Strip the wire ends, make the connections to the indicator
as shown in Connections Diagrams, and then use the cover
screws to attach the indicator to the top of the housing.
Sensor Wires
Sensor Wires
Meter Mount
.78"
.10"
.50"
0.10 (2.5)
0.78
(19.8)
0.50
(12.7)
2.50
(63.5)
4.35 (110.5)
4.77 (121.2)
4.10
(104.1)
4.10 (104.1)
4.33
(110)
#10
Screw
#10
Screw
Panel Cutout
3.56 (90.4)
2.4 (61) TYP
3.5 (88.9) TYP .218 (5.5)
3.56
(90.4)
(PANEL CUTOUT)

Page 6
RTI2 INSTRUCTIONS
Dwyer Instruments, Inc. • 219.879.8868 • www.dwyer-inst.com
CONNECTION DIAGRAMS
Connections for RTI2-139/115Vac Option
Connections for RTI2 3-wire Mechanical/ Dual Scaled Pulse Out
POWER
SENSOR
ENGD
+
_
_
+
S
PULSE OUT 2
PULSE OUT 1
+
_
+
_
FT440
GREEN
WHITE
BLACK
+
_
FT440-139
(Dual Power Supply)
Lower Housing
4-20mA
Device
+
_
Dashed line shows (-) terminal connection
if 4-20mA device is not used
To 115Vac
Power Source
+
_
12V
Device
+
_
24Vdc
_
+
RTI2-139
RTI2
POWER
SENSOR
ENGD
+
_
_
+
S
PULSE OUT 2
PULSE OUT 1
+
_
+
_
RED
WHITE
BLACK
+
_9-30 Vdc
Loop Power
Supply
Flow
Sensor
FT440
Electronic
Metering Pumps
_
+
S
_
+
_
+
_
+
4-20mA
Device
+
_
RTI2

Page 7
RTI2 INSTRUCTIONS
Dwyer Instruments, Inc. • 219.879.8868 • www.dwyer-inst.com
CONNECTION DIAGRAMS
Connections for RTI2/EX Magmeter
Connections for RTI2-139/EX Magmeter
POWER
SENSOR
ENGD
+
_
_
+
S
PULSE OUT 2
PULSE OUT 1
+
_
+
_
FT440
Zero
Adj
Status
LED 1
-
Option
Only
2
+ 3
- 4
+ 5
- 6
+
Reverse
Output
Forward
Output
Power
Max 6mA
30Vdc
12-24Vdc
12 Vdc
Power Supply
+
_
+
_
_
+
_
S
White
Green
Red
Black
Red
4-20mA
Device
+
_
9-30 Vdc
Power Supply
+
_
Red
Black
_
S
_
+
RTI2
Zero
Adj
Status
LED 1
-
Option
Only
2
+ 3
- 4
+ 5
- 6
+
Reverse
Output
Forward
Output
Power
Max 6mA
30Vdc
12-24Vdc
+
_
+
_White
Green
Red
Black
POWER
SENSOR
ENGD
+
_
_
+
S
PULSE OUT 2
PULSE OUT 1
+
_
+
_
FT440
GREEN
WHITE
BLACK
+
_
FT440-139
(Dual Power Supply)
Lower Housing
4-20mA
Device
+
_
Dashed line shows (-) terminal connection
if 4-20mA device is not used
To 115Vac
Power Source
+
_
24Vdc
_
+
_
_
+
s
RTI2-139
RTI2

Page 8
RTI2 INSTRUCTIONS
Dwyer Instruments, Inc. • 219.879.8868 • www.dwyer-inst.com
SETTINGS
Changing Flow Indicator Settings
The home screen
0.00
0
GPD
MID
The HOME Screen, shown above, is the normal screen which
displays TOTAL ow volume and ow RATE. The Four buttons
below the LCD display are used to access menu screens for
viewing and changing setup parameters.
Menu Navigation
The left/right keys are used to move through the menus and
position the cursor during data entry. The up arrow is used
to scroll through the available values that are to be entered.
(examples: numerical values for K factor entry or selection of
units from the available options) The enter key (represented
on the keypad by the check mark) is used to save selected
entries and in conjunction with the exit tab to move between
menu screens. As one navigates the menus the current
parameter setting is shown and instructions are displayed
for how to change the selected parameter.
Main Menu
R UNITSET K T UNIT SET D
SET P RESET EXIT
086238.235
PRESS TO SET NUMBER
OF PULSES RECEIVED PER
GALLON OF FLOW
All menu screens consist of two rows of tabs surrounding a
dialog box that lets you view and change setup parameters.
Set K
R UNITSET K T UNIT SET D
SET P RESET EXIT
086238.235
PRESS TO SET NUMBER
OF PULSES RECEIVED PER
GALLON OF FLOW
View or change the K factor. The K factor is the number of
pulses the ow sensor provides for every gallon of ow. (Note
that the decimal is xed at three places. If you only have two
decimal places for your K-factor, enter a zero for the third
digit. If unable to set K-factor, the unit is "locked" to prevent
tampering. Please contact your distributor for assistance.)
R Unit
R UNITSET K T UNIT SET D
SET P RESET EXIT
FLOW RATE = GPD
PRESS TO SET UNITS
FOR DISPLAY
View or change the ow rate units
K-Factor
At a minimum, every RTI2 ow computer must be programmed
with the “K-factor”. (This is the number of pulses that the meter
produces per gallon of ow.) If you wish to read in units other
than gallons, see below.
The K-factor on any Dwyer ow sensor tting or in-line meter
can be found on the model-serial label. The line reading K =
xxxx gives the desired number. For depth-adjustable sensor,
look in the instruction manual under your pipe size.
Find Your K-Factor Here
10031295
MF81T-P200
K: 53.6
Fixed Depth Meter

Page 9
RTI2 INSTRUCTIONS
Dwyer Instruments, Inc. • 219.879.8868 • www.dwyer-inst.com
T Unit
R UNITSET K T UNITSET D
SET P RESET EXIT
TOTAL = GALLONS
PRESS TO SET UNITS
FOR DISPLAY
View or change the total volume units
Set D
R UNITSET K T UNITSET D
SET P RESET EXIT
000
PRESS TO CHOOSE
NUMBER OF DECIMAL PLACES
IN TOTAL DISPLAY
View or change the number of decimals displayed in the
total volume display
Set P or Set A
R UNITSET K T UNIT SET D
SET P RESET EXIT
00000.0 GALLONS
PRESS TO SET NUMBER OF
GALLONS TOTALIZED PER
PULSE SENT OUT PULSE1
The factory setting will show Set P which allows one to view
or change the volume of ow totalized per pulse sent to
pulse out 1. The units for Set P follow the units selected for
the rate display. Secondary menu selection will change the
display to Set A. The alarm can be set to trigger on either a
high or low ow condition as determined by the user.
Set 20 (RTI2 ONLY)
R UNITSET K T UNIT SET D
SET P RESET EXIT
00000.0 GALLONS
PRESS TO SET THE FLOW
RATE AT WHICH 20 mA
(MAX) OUTPUT IS DESIRED
SET 20
Input the ow rate at which 20 mA (max) output is desired
Reset
R UNITSET K T UNIT SET D
SET P RESET EXIT
PRESS TO RESET TOTAL
Reset the total ow volume to zero. This tab is not available
when the -64 non resettable total option is ordered
Exit
R UNITSET K T UNIT SET D
SET P RESET EXIT
PRESS TO EXIT MENU AND
RETURN TO FLOW DISPLAY
Return to the home screen, enter a submenu, or accept a
parameter change
Secondary Menu.
OUTPMAIN INPP CODE
EXIT
SCROLL TO SELECT A
SUBMENU AND CHANGE
FEATURES
To enter the secondary menu use the left/right arrow keys to
navigate to the exit tab. While the exit tab is highlighted press
the up arrow 4 times. The secondary menu, shown above, will
now be displayed.
OutP
OUTPMAIN INPP CODE
EXIT
PRESS TO SET ALARMS,
PULSE OUT, AND 4-20 mA
View or change the function of Set P tab on the main menu.
Options are pulse out 1, alarm low, alarm high. If the alarm
high/low option is selected a Set H (hysteresis) tab is
available. The hysteresis entry is a % value. The value denes
the % change required for a change in alarm state to occur.
InP
OUTPMAIN INPP CODE
EXIT
PRESS TO SET F, J, REED
AND PULSE INDICATOR
View or change the lter (set F), jitter (set J), enable
reed mode. Use the lter setting if the display is jumping
excessively due to ow conditions. Use the jitter setting to
enter a time delay to handle start up conditions. Jitter units
are seconds.
Pcode
OUTPMAIN INPP CODE
EXIT
PRESS TO SET PASSCODE
AND CHANGE PROTECTED
FEATURES
Enter the passcode for access to protected features.
SETTINGS